[to Frank Costello] You accuse me once, I put up with it. You accuse me twice... I quit. You pressure me to fear for my life and I will put a fucking bullet in your head as if you were anybody else. Okay?

Colin Sullivan: You're an FBI informant? Are you fucking kidding me?Frank Costello: Grow up![laughing]Frank Costello: Of course I talked to the FBI.Colin Sullivan: Do they know who I am?Frank Costello: I... I never gave up anybody... who wasn't going down anyway. Nobody knows nothin'.Colin Sullivan: Frank... Frank. Do they know about me?Frank Costello: I know about you, Colin. You know I'd never give you up. You're like a...Colin Sullivan: What, like a son? To you? Is that what this is about? All that murderin'... and fuckin'... and no sons?[They shoot at each other]

Frank Costello: Good day, father.Older Priest: Good day, Francis.Frank Costello: You recall our chat? Little boys. Sucking on their peckers, etc... and so forth. I am as God made me. Is that your rationale? May I remind you - in this archdiocese, God don't run the bingo.Young Priest: May I remind you - that pride comes before the fall.Frank Costello: How's Sister Mary Teresa doing? Had a tasty relationship before she took her vows.[Costello hands the priests a nude drawing of the nun]Frank Costello: Enjoy your clams, cocksuckers.

[Upon learning the Police have found Delahunt's body and that he was a cop]Fitzy: I don't believe it.Mr. French: What can't you believe?Fitzy: I spent all fucking night dragging the poor bastard in there. Tell me how they find him so fast? Somebody walking a fucking dog ? What fucking size a dog is that? Has to be a big fucking dog, man. I spent all night doing it man.[pause, Frank stares at him]Fitzy: I'm embarrassed. I still don't believe he was a cop, I don't believe it.Frank Costello: The COPS... are saying he's a cop... so I won't look for the cop. Are you soft, Fitz? When I tell you... to dump a body in the marsh, you dump him *IN* the marsh. Not where some guy from John Hancock goes every Thursday, TO GET A FUCKING BLOWJOB![Fitzy laughs, Frank hits him]Frank Costello: Don't laugh! This ain't Reality TV!

Frank Costello: But Colin - I hope I don't have to remind you that if you don't find that cheese-eating rat bastard in your department, most likely it won't be me who suffers for it.Colin Sullivan: Now why would you have to remind me of that? Would I be any good at what I do if I didn't fucking already know that? Frank, you gotta trust me. Alright, just trust me Frank. Hey, it fucking involves lying and I'm pretty fucking good at that. Right?Frank Costello: Maybe because it's always been so easy for me to get cunt, that I never understood jacking off in a theater.

Colin Sullivan: Frank? What the fuck is wrong with you?Frank Costello: [laughing] See anything you like, Colin?Colin Sullivan: I almost fucking shot you!Frank Costello: You're not indulging in self-abuse, are you? I hope you're not turning into one of them sob sisters who wants to get caught. You're not cracking up, are you?Colin Sullivan: I don't crack up.Frank Costello: Picking a place like this, where any cop can see you. Jesus.Colin Sullivan: If it was such a fucking bad idea, why'd you show up?Frank Costello: [turning to face Sullivan] I own the place.Colin Sullivan: Look, I gotta tell you...Frank Costello: You're getting re-assigned. I know.Colin Sullivan: How the fuck do you know that?Frank Costello: Where'd they put you?Colin Sullivan: Hey Frank, I gotta find myself.Frank Costello: You're telling me, sonny boy.Colin Sullivan: I gotta find the guy you got in the department.Frank Costello: With everybody looking up their own ass, and you looking for yourself, I'd put my money on nobody finds nothing.